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參數(shù)資料
| 型號： | LC78625 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs |
| 中文描述： | SigmaDSP的28-/56-Bit音頻處理器雙ADC和4個DAC |
| 文件頁數(shù)： | 17/35頁 |
| 文件大?。?/td> | 440K |
| 代理商： | LC78625 |
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No. 5502-17/35
LC78625E
TJ commands
When the LC78625E receives a track jump instruction as a servo command, it first generates accelerating pulses
(period a) and next generates deceleration pulses (period b). The passage of the braking period (period c) completes the
specified jump. During the braking period, the LC78625E detects the beam slip direction from the TES and HFL
inputs. TOFF is used to cut the components in the TE signal that aggravate slip. The jump destination track is captured
by increasing the servo gain with TGL. In THLD period TOFF output mode the TOFF signal is held high during the
period when THLD is high.
Note: Of the modes related to disc motor control, the TOFF pin only goes low in CLV mode, and will be high during
start, stop, and brake operations. Note that the TOFF pin can be turned on and off independently by
microprocessor issued commands. However, this function is only valid when disc motor control is in CLV mode.
Code
COMMAND
RES = L
$A0
Previous track jump
G
G
$A1
New track jump
$11
1 TRACK JUMP IN #1
$12
1 TRACK JUMP IN #2
$31
1 TRACK JUMP IN #3
$52
1 TRACK JUMP IN #4
$10
2 TRACK JUMP IN
$13
4 TRACK JUMP IN
$14
16 TRACK JUMP IN
$30
32 TRACK JUMP IN
$15
64 TRACK JUMP IN
$17
128 TRACK JUMP IN
$19
1 TRACK JUMP OUT #1
$1A
1 TRACK JUMP OUT #2
$39
1 TRACK JUMP OUT #3
$5A
1 TRACK JUMP OUT #4
$18
2 TRACK JUMP OUT
$1B
4 TRACK JUMP OUT
$1C
16 TRACK JUMP OUT
$38
32 TRACK JUMP OUT
$1D
64 TRACK JUMP OUT
$1F
128 TRACK JUMP OUT
$16
256 TRACK CHECK
$0F
TOFF
$8F
TON
G
G
$8C
TRACK JUMP BRAKE
$21
THLD period TOFF output mode
$20
Reset THLD period TOFF output mode
G
G
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC78626KE | Compact Disc Player DSP(用于CD播放器的8位DSP) |
| LC78626 | 16-bit fixed point DSP with Flash |
| LC78626E | 16-bit fixed point DSP with Flash |
| LC78628 | 16-bit fixed point DSP with Flash |
| LC78628E | 16-bit fixed point DSP with Flash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC78625E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP |
| LC78626 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players |
| LC78626E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:DSP for Compact Disk Players |
| LC78626KE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:CD-Player Processor/Controller |
| LC78628 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disc Player DSP with Built-in HDCD Decoder |
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